* Copyright (c) 2006-2007 Konstantin Shishkov
* Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "msmpeg4data.h"
#include "vc1.h"
#include "vc1data.h"
+#include "vdpau_internal.h"
+#include "libavutil/avassert.h"
+
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
c[6] = 1 << 16;
}
-static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
+static int vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
{
AVCodecContext *avctx = v->s.avctx;
int sprite, i;
sd->effect_pcount2 = get_bits(gb, 16);
if (sd->effect_pcount2 > 10) {
av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n");
- return;
+ return AVERROR_INVALIDDATA;
} else if (sd->effect_pcount2) {
i = -1;
av_log(avctx, AV_LOG_DEBUG, "Effect params 2: ");
av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n");
if (get_bits_count(gb) >= gb->size_in_bits +
- (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0))
+ (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0)) {
av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n");
+ return AVERROR_INVALIDDATA;
+ }
if (get_bits_count(gb) < gb->size_in_bits - 8)
av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n");
+
+ return 0;
}
static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
int ysub[2];
MpegEncContext *s = &v->s;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i <= v->two_sprites; i++) {
xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16);
xadv[i] = sd->coefs[i][0];
if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i])
}
if (!plane) {
- for (i = 0; i < 2; i++) {
+ for (i = 0; i <= v->two_sprites; i++) {
xoff[i] >>= 1;
yoff[i] >>= 1;
}
static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
{
+ int ret;
MpegEncContext *s = &v->s;
AVCodecContext *avctx = s->avctx;
SpriteData sd;
- vc1_parse_sprites(v, gb, &sd);
+ memset(&sd, 0, sizeof(sd));
+
+ ret = vc1_parse_sprites(v, gb, &sd);
+ if (ret < 0)
+ return ret;
- if (!s->current_picture.f->data[0]) {
+ if (!s->current_picture.f || !s->current_picture.f->data[0]) {
av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
return -1;
}
}
av_frame_unref(v->sprite_output_frame);
- if (ff_get_buffer(avctx, v->sprite_output_frame, 0) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
- }
+ if ((ret = ff_get_buffer(avctx, v->sprite_output_frame, 0)) < 0)
+ return ret;
vc1_draw_sprites(v, &sd);
v->ttblk = v->ttblk_base + s->mb_stride;
v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride);
v->is_intra = v->is_intra_base + s->mb_stride;
- v->luma_mv_base = av_malloc(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
+ v->luma_mv_base = av_mallocz(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
v->luma_mv = v->luma_mv_base + s->mb_stride;
/* allocate block type info in that way so it could be used with s->block_index[] */
if (s->avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || s->avctx->codec_id == AV_CODEC_ID_VC1IMAGE) {
for (i = 0; i < 4; i++)
- if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width))) return -1;
+ if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width)))
+ return AVERROR(ENOMEM);
}
if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane ||
{
int i;
for (i = 0; i < 64; i++) {
-#define transpose(x) ((x >> 3) | ((x & 7) << 3))
+#define transpose(x) (((x) >> 3) | (((x) & 7) << 3))
v->zz_8x8[0][i] = transpose(ff_wmv1_scantable[0][i]);
v->zz_8x8[1][i] = transpose(ff_wmv1_scantable[1][i]);
v->zz_8x8[2][i] = transpose(ff_wmv1_scantable[2][i]);
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
GetBitContext gb;
+ int ret;
/* save the container output size for WMImage */
v->output_width = avctx->width;
avctx->pix_fmt = AV_PIX_FMT_GRAY8;
v->s.avctx = avctx;
- if (ff_vc1_init_common(v) < 0)
- return -1;
+ if ((ret = ff_vc1_init_common(v)) < 0)
+ return ret;
+ // ensure static VLC tables are initialized
+ if ((ret = ff_msmpeg4_decode_init(avctx)) < 0)
+ return ret;
+ if ((ret = ff_vc1_decode_init_alloc_tables(v)) < 0)
+ return ret;
+ // Hack to ensure the above functions will be called
+ // again once we know all necessary settings.
+ // That this is necessary might indicate a bug.
+ ff_vc1_decode_end(avctx);
+
ff_blockdsp_init(&s->bdsp, avctx);
ff_h264chroma_init(&v->h264chroma, 8);
ff_qpeldsp_init(&s->qdsp);
init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8);
- if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0)
- return -1;
+ if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0)
+ return ret;
count = avctx->extradata_size*8 - get_bits_count(&gb);
if (count > 0) {
init_get_bits(&gb, buf2, buf2_size * 8);
switch (AV_RB32(start)) {
case VC1_CODE_SEQHDR:
- if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0) {
+ if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0) {
av_free(buf2);
- return -1;
+ return ret;
}
seq_initialized = 1;
break;
case VC1_CODE_ENTRYPOINT:
- if (ff_vc1_decode_entry_point(avctx, v, &gb) < 0) {
+ if ((ret = ff_vc1_decode_entry_point(avctx, v, &gb)) < 0) {
av_free(buf2);
- return -1;
+ return ret;
}
ep_initialized = 1;
break;
v->sprite_height > 1 << 14 ||
v->output_width > 1 << 14 ||
v->output_height > 1 << 14) return -1;
+
+ if ((v->sprite_width&1) || (v->sprite_height&1)) {
+ avpriv_request_sample(avctx, "odd sprites support");
+ return AVERROR_PATCHWELCOME;
+ }
}
return 0;
}
MpegEncContext *s = &v->s;
AVFrame *pict = data;
uint8_t *buf2 = NULL;
- const uint8_t *buf_start = buf;
- int mb_height, n_slices1;
+ const uint8_t *buf_start = buf, *buf_start_second_field = NULL;
+ int mb_height, n_slices1=-1;
struct {
uint8_t *buf;
GetBitContext gb;
int mby_start;
} *slices = NULL, *tmp;
+ v->second_field = 0;
+
+ if(s->flags & CODEC_FLAG_LOW_DELAY)
+ s->low_delay = 1;
+
/* no supplementary picture */
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) {
/* special case for last picture */
*got_frame = 1;
}
- return 0;
+ return buf_size;
+ }
+
+ if (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
+ if (v->profile < PROFILE_ADVANCED)
+ avctx->pix_fmt = AV_PIX_FMT_VDPAU_WMV3;
+ else
+ avctx->pix_fmt = AV_PIX_FMT_VDPAU_VC1;
}
//for advanced profile we may need to parse and unescape data
if (avctx->codec_id == AV_CODEC_ID_VC1 || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) {
int buf_size2 = 0;
buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!buf2)
+ return AVERROR(ENOMEM);
if (IS_MARKER(AV_RB32(buf))) { /* frame starts with marker and needs to be parsed */
const uint8_t *start, *end, *next;
if (size <= 0) continue;
switch (AV_RB32(start)) {
case VC1_CODE_FRAME:
- if (avctx->hwaccel)
+ if (avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
buf_start = start;
buf_size2 = vc1_unescape_buffer(start + 4, size, buf2);
break;
case VC1_CODE_FIELD: {
int buf_size3;
- tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ if (avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+ buf_start_second_field = start;
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
buf_size3 << 3);
/* assuming that the field marker is at the exact middle,
hope it's correct */
- slices[n_slices].mby_start = s->mb_height >> 1;
+ slices[n_slices].mby_start = s->mb_height + 1 >> 1;
n_slices1 = n_slices - 1; // index of the last slice of the first field
n_slices++;
break;
break;
case VC1_CODE_SLICE: {
int buf_size3;
- tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n");
goto err;
} else { // found field marker, unescape second field
- tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ if (avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+ buf_start_second_field = divider;
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);
init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
buf_size3 << 3);
- slices[n_slices].mby_start = s->mb_height >> 1;
+ slices[n_slices].mby_start = s->mb_height + 1 >> 1;
n_slices1 = n_slices - 1;
n_slices++;
}
s->low_delay = !avctx->has_b_frames || v->res_sprite;
if (v->profile == PROFILE_ADVANCED) {
+ if(avctx->coded_width<=1 || avctx->coded_height<=1)
+ goto err;
s->h_edge_pos = avctx->coded_width;
s->v_edge_pos = avctx->coded_height;
}
}
v->first_pic_header_flag = 0;
+ if (avctx->debug & FF_DEBUG_PICT_INFO)
+ av_log(v->s.avctx, AV_LOG_DEBUG, "pict_type: %c\n", av_get_picture_type_char(s->pict_type));
+
if ((avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE)
&& s->pict_type != AV_PICTURE_TYPE_I) {
av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n");
goto err;
}
+ if ((s->mb_height >> v->field_mode) == 0) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "image too short\n");
+ goto err;
+ }
+
// for skipping the frame
s->current_picture.f->pict_type = s->pict_type;
s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
if (!s->last_picture_ptr && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) {
+ av_log(v->s.avctx, AV_LOG_DEBUG, "Skipping B frame without reference frames\n");
goto end;
}
if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) ||
goto err;
}
+ v->s.current_picture_ptr->field_picture = v->field_mode;
+ v->s.current_picture_ptr->f->interlaced_frame = (v->fcm != PROGRESSIVE);
+ v->s.current_picture_ptr->f->top_field_first = v->tff;
+
// process pulldown flags
s->current_picture_ptr->f->repeat_pict = 0;
// Pulldown flags are only valid when 'broadcast' has been set.
s->me.qpel_put = s->qdsp.put_qpel_pixels_tab;
s->me.qpel_avg = s->qdsp.avg_qpel_pixels_tab;
- if (avctx->hwaccel) {
- if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 0)
- goto err;
- if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
- goto err;
- if (avctx->hwaccel->end_frame(avctx) < 0)
- goto err;
+ if ((CONFIG_VC1_VDPAU_DECODER)
+ &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
+ if (v->field_mode && buf_start_second_field) {
+ ff_vdpau_vc1_decode_picture(s, buf_start, buf_start_second_field - buf_start);
+ ff_vdpau_vc1_decode_picture(s, buf_start_second_field, (buf + buf_size) - buf_start_second_field);
+ } else {
+ ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start);
+ }
+ } else if (avctx->hwaccel) {
+ if (v->field_mode && buf_start_second_field) {
+ // decode first field
+ s->picture_structure = PICT_BOTTOM_FIELD - v->tff;
+ if (avctx->hwaccel->start_frame(avctx, buf_start, buf_start_second_field - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start, buf_start_second_field - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+
+ // decode second field
+ s->gb = slices[n_slices1 + 1].gb;
+ s->picture_structure = PICT_TOP_FIELD + v->tff;
+ v->second_field = 1;
+ v->pic_header_flag = 0;
+ if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "parsing header for second field failed");
+ goto err;
+ }
+ v->s.current_picture_ptr->f->pict_type = v->s.pict_type;
+
+ if (avctx->hwaccel->start_frame(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+ } else {
+ s->picture_structure = PICT_FRAME;
+ if (avctx->hwaccel->start_frame(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+ }
} else {
int header_ret = 0;
}
mb_height = s->mb_height >> v->field_mode;
- if (!mb_height) {
- av_log(v->s.avctx, AV_LOG_ERROR, "Invalid mb_height.\n");
- goto err;
- }
+ av_assert0 (mb_height > 0);
for (i = 0; i <= n_slices; i++) {
if (i > 0 && slices[i - 1].mby_start >= mb_height) {
continue;
}
v->second_field = 1;
- v->blocks_off = s->mb_width * s->mb_height << 1;
+ av_assert0((s->mb_height & 1) == 0);
+ v->blocks_off = s->b8_stride * (s->mb_height&~1);
v->mb_off = s->mb_stride * s->mb_height >> 1;
} else {
v->second_field = 0;
s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height);
if (!v->field_mode || v->second_field)
s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
- else
+ else {
+ if (i >= n_slices) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "first field slice count too large\n");
+ continue;
+ }
s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
+ }
+ if (s->end_mb_y <= s->start_mb_y) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n", s->end_mb_y, s->start_mb_y);
+ continue;
+ }
+ if (!v->p_frame_skipped && s->pict_type != AV_PICTURE_TYPE_I && !v->cbpcy_vlc) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "missing cbpcy_vlc\n");
+ continue;
+ }
ff_vc1_decode_blocks(v);
if (i != n_slices)
s->gb = slices[i].gb;
get_bits_count(&s->gb), s->gb.size_in_bits);
// if (get_bits_count(&s->gb) > buf_size * 8)
// return -1;
+ if(s->er.error_occurred && s->pict_type == AV_PICTURE_TYPE_B)
+ goto err;
if (!v->field_mode)
ff_er_frame_end(&s->er);
}
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
goto err;
- ff_print_debug_info(s, s->current_picture_ptr);
+ ff_print_debug_info(s, s->current_picture_ptr, pict);
*got_frame = 1;
} else if (s->last_picture_ptr) {
if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
goto err;
- ff_print_debug_info(s, s->last_picture_ptr);
+ ff_print_debug_info(s, s->last_picture_ptr, pict);
*got_frame = 1;
}
}
};
#endif
+#if CONFIG_WMV3_VDPAU_DECODER
+AVCodec ff_wmv3_vdpau_decoder = {
+ .name = "wmv3_vdpau",
+ .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 VDPAU"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_WMV3,
+ .priv_data_size = sizeof(VC1Context),
+ .init = vc1_decode_init,
+ .close = ff_vc1_decode_end,
+ .decode = vc1_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_WMV3, AV_PIX_FMT_NONE },
+ .profiles = NULL_IF_CONFIG_SMALL(profiles)
+};
+#endif
+
+#if CONFIG_VC1_VDPAU_DECODER
+AVCodec ff_vc1_vdpau_decoder = {
+ .name = "vc1_vdpau",
+ .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_VC1,
+ .priv_data_size = sizeof(VC1Context),
+ .init = vc1_decode_init,
+ .close = ff_vc1_decode_end,
+ .decode = vc1_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_VC1, AV_PIX_FMT_NONE },
+ .profiles = NULL_IF_CONFIG_SMALL(profiles)
+};
+#endif
+
#if CONFIG_WMV3IMAGE_DECODER
AVCodec ff_wmv3image_decoder = {
.name = "wmv3image",
projects / ffmpeg / blobdiff